440374783194061 has 2 divisors, whose sum is σ = 440374783194062. Its totient is φ = 440374783194060.

The previous prime is 440374783193977. The next prime is 440374783194083. The reversal of 440374783194061 is 160491387473044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 433850365355625 + 6524417838436 = 20829075^2 + 2554294^2 .

It is a cyclic number.

It is not a de Polignac number, because 440374783194061 - 2¹¹ = 440374783192013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440374783194761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220187391597030 + 220187391597031.

It is an arithmetic number, because the mean of its divisors is an integer number (220187391597031).

Almost surely, 2^{440374783194061} is an apocalyptic number.

It is an amenable number.

440374783194061 is a deficient number, since it is larger than the sum of its proper divisors (1).

440374783194061 is an equidigital number, since it uses as much as digits as its factorization.

440374783194061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48771072, while the sum is 61.

The spelling of 440374783194061 in words is "four hundred forty trillion, three hundred seventy-four billion, seven hundred eighty-three million, one hundred ninety-four thousand, sixty-one".